Home / 257,145.50-354,778.25-166,570.90

Finding the Fourth Proportional to 257,145.50, 354,778.25 and 166,570.90

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Solution

The fourth proportional to 257,145.50, 354,778.25 and 166,570.90 is: 229,814.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,145.50 : 354,778.25 = 166,570.90 : x
  2. Step 2: Convert to fraction form
    257,145.50/354,778.25 = 166,570.90/x
  3. Step 3: Cross multiply
    257,145.50x = 354,778.25 × 166,570.90
  4. Step 4: Simplify right side
    257,145.50x = 59,095,730,683.12
  5. Step 5: Solve for x
    x = 59,095,730,683.12/257,145.50
  6. Step 6: Final answer
    x = 229,814.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.